Mold Remediation Cost Calculator — what it actually costs in 2026
Most homeowners pay $1,500–$6,000 for licensed mold remediation. Four quick questions and you'll see a range built for your ZIP, your severity, and your property.
Live estimateMold remediation cost — your area
What's your ZIP code?
Pricing varies by metro. We use your ZIP to show local ranges and connect you with verified pros in your city — not to sell your contact info.
5-digit US ZIP. Used to match regional pricing and nearby pros — we never sell your info.
- 1. Your ZIP code (drives local pricing)
- 2. Area size
- 3. Severity
- 4. Property type
Free to use. We never sell your information. Estimates reflect licensed remediators only.
Four things change your quote.
No single number fits every home. Here's what a licensed remediator is actually pricing when they walk your property.
Area size
A 6-square-foot bathroom patch and a 60-square-foot wall cavity are not the same job. Size roughly doubles the scope at each step up.
What's behind the drywall
Visible growth is the cheap part. Once mold is inside walls or under floors, demolition and rebuild costs stack on top of remediation.
HVAC involvement
If your AC or ducts are affected, every system that shares air has to be isolated and cleaned. This is the single biggest price driver.
Local market
Miami and Austin remediators charge more than San Antonio and Savannah. Demand, humidity, and licensing bar all factor in.
Mold remediation cost per square foot (2026).
Per-square-foot pricing is the question every homeowner asks — and the wrong one to answer first. The real number depends on what's behind the wall. Here are honest 2026 ranges by scope and by state.
$10–$25 per square foot
Growth on drywall, tile, or grout — surface only. Includes containment, HEPA vacuum, antimicrobial wipe, disposal. No demolition. This is the simple case, and most jobs under 25 sq ft hit the minimum site fee before per-sqft math matters.
$25–$50 per square foot
Demolition of drywall or sub-floor, isolation and cleaning of HVAC, rebuild after the clearance test. The big variable is how far the contamination spread before anyone looked. Per-sqft rises with severity, not size.
Mold remediation cost per square foot by state (surface mold, 2026)
$10–$25 / sq ft
Most U.S. metros price surface-only remediation in this band in 2026. Below 25 sq ft, expect a minimum job fee around $1,500 regardless of the per-sqft math.
$12–$29 / sq ft
~15% premium reflecting coastal humidity and FL's separate-license rule: assessor and remediator legally cannot be the same company. Miami metro trends 30% over the state baseline.
$11–$28 / sq ft
Storm and plumbing-driven jobs run larger, so per-sqft drops slightly at scale. Austin metro trends ~20% over San Antonio. Licensing is through TDLR (MRS/MRC), verified daily.
$11–$27 / sq ft
Atlanta metro runs about 15% over the rest of the state. GA doesn't require a state-level mold license, so verify IICRC certification (WRT, AMRT) before signing a contract.
California, New York, Washington, and other coastal states typically run $15–$35 per square foot for surface mold, with San Francisco, Los Angeles, and New York City metros pricing 20–40% higher than state averages. Verified Remediation currently covers Florida, Texas, and Georgia with daily license verification; coverage expands quarterly.
For your ZIP, area size, and severity — use the calculator above.
Estimates are only useful if the quote comes from someone real.
The range above assumes a licensed, insured remediator. Unlicensed quotes are often lower — but they can void your homeowner's insurance and leave you liable for mistakes.
Licensed
State-verified daily against the FL, TX, and GA license databases. Not self-reported.
Insured
Current certificate of insurance on file. Expiration tracked. Your property is covered if something goes wrong.
Rated
4.0★ or higher with at least 5 real reviews. No anonymous padding.
The assessor can't also do the job. By law.
Florida separates assessment from remediation
Under Florida law, one licensed company can't both assess AND remediate mold on the same property. The assessor writes the scope. A different, licensed remediator does the work. This protects you from a conflict of interest — the person diagnosing the problem shouldn't be the one paid to “fix” it.
The Assessor
Inspects, tests, writes the protocol. Paid for diagnosis only. Cannot bid on the remediation.
The Remediator
Executes the protocol written by the assessor. Licensed separately. Can't inspect their own work.
If someone in Florida offers to do both — walk away. In Texas and Georgia, rules differ, but the same conflict-of-interest principle still protects you.
Why your state matters.
Florida, Texas, and Georgia all price differently — and regulate differently. Here's what gets baked into your range, by state.
High humidity. Strict licensing.
FL requires separate licenses for mold assessors and remediators — one company legally cannot do both jobs on the same property. Coastal humidity also drives more frequent HVAC involvement.
Miami ×1.30 · Orlando ×1.10Big houses. Flood-driven jobs.
TX remediation often follows storm or plumbing damage, so jobs run larger. Licensing is through TDLR (MRS/MRC) and is verified here daily. Austin pricing runs noticeably higher than San Antonio.
Austin ×1.20 · Houston ×1.15Expanding market. Fewer rules.
GA doesn't require a specific mold license, so verification here means checking general contractor licenses plus IICRC/IAQA certification. Atlanta trends with Tampa on pricing; Savannah runs at the national average.
Atlanta ×1.15 · Savannah ×1.00Local mold remediation averages.
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What mold remediation actually costs in 2026
Most homeowners pay this range. HVAC jobs push higher. Unlicensed quotes are cheaper — for a reason.
5 factors that change your mold remediation quote
- Area size (small vs large)
- Behind drywall or in walls
- HVAC involvement
- Your metro's pricing
- Licensed vs not
Know these before you call.
How to spot a $2,000 vs $6,000 mold job
Small visible patch → $1.5k. Behind walls → $3–4k. AC + ducts? $6k+. Here's why.
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